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Patents

Headbox for Manufacturing a Substrate

U.S. Patent No. 12,350,130

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Stephen A. Marrano, Oshkosh, WI; and Kyle Krautkramer, Kaukauna, WI.
Assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI.

Filed: 3/20/24
Issued: 7/8/25

A headbox including a machine direction and a cross direction, the headbox comprising at least one flow section, the at least one flow section comprising: an inlet; an outlet; a bottom surface; a top surface, the top surface being opposite from the bottom surface; a first side; and a second side, the second side being opposite from the first side and spaced apart from the first side in the cross direction; wherein the first side and the second side each comprise: a first portion being convex to an interior of the at least one flow section; a second portion being concave to the interior of the at least one flow section, wherein the first portion is closer to the inlet than is the second portion; and wherein a width of the at least one flow section at the inlet is less than a width of the at least one flow section at the outlet; and wherein the interior further includes a height, the height at the inlet being greater than the height at the outlet.

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